Chemical Composition and Mechanical Property For GB/T 3077-1999 | |||||||||||||
Steel Grade | Chemical Composition | Mechanical performance | |||||||||||
C | Mn | P(Max) | S(Max) | Si | Ni(Max) | Cr | Mo | Tensile Strength (Min) |
Yield Strength (Min) |
Elongation |
|||
(Min) | |||||||||||||
ksi | Mpa | ksi | Mpa | % | |||||||||
30CrMo | 0.26-0.33 | 0.40-0.70 | 0.04 | 0.04 | 0.17-0.37 | / | 0.80-1.10 | 0.15-0.25 | 135 | 930 | 110 | 750 | 30 |
Source: https://www.derbosteelpipe.com/gb-t-3077-1999-seamless-pipe-30crmo-8-inch-sch-160-6m.html
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